1306230311 has 2 divisors, whose sum is σ = 1306230312. Its totient is φ = 1306230310.

The previous prime is 1306230301. The next prime is 1306230313. The reversal of 1306230311 is 1130326031.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1306230311 - 2¹⁴ = 1306213927 is a prime.

Together with 1306230313, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1306230313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 653115155 + 653115156.

It is an arithmetic number, because the mean of its divisors is an integer number (653115156).

Almost surely, 2^1306230311 is an apocalyptic number.

1306230311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1306230311 is an equidigital number, since it uses as much as digits as its factorization.

1306230311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 1306230311 is about 36141.8083526544. The cubic root of 1306230311 is about 1093.1336223586.

Adding to 1306230311 its reverse (1130326031), we get a palindrome (2436556342).

The spelling of 1306230311 in words is "one billion, three hundred six million, two hundred thirty thousand, three hundred eleven".